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Finding the Fourth Proportional to 29,287.33, 43,930.86 and 7,100.71

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Solution

The fourth proportional to 29,287.33, 43,930.86 and 7,100.71 is: 10,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.33 : 43,930.86 = 7,100.71 : x
  2. Step 2: Convert to fraction form
    29,287.33/43,930.86 = 7,100.71/x
  3. Step 3: Cross multiply
    29,287.33x = 43,930.86 × 7,100.71
  4. Step 4: Simplify right side
    29,287.33x = 311,940,407.57
  5. Step 5: Solve for x
    x = 311,940,407.57/29,287.33
  6. Step 6: Final answer
    x = 10,651.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.